Device for back soil disturbance in shield tunnel

The present invention relates to an apparatus for soil disturbance at the back of a shield tunnel, wherein: the apparatus is formed by a fitting I and a fitting II connected by means of three bolts that form equal angles; the fitting I is a short circular pipe; an end surface of a fitting end of the...

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Bibliographic Details
Main Authors Cui, Kewei, Zhang, Jie, Hou, Jing, Dai, Yangchun, Chen, Wenhua
Format Patent
LanguageEnglish
Published 18.12.2018
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
MINING OR QUARRYING
SHAFTS
TUNNELS
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Summary:The present invention relates to an apparatus for soil disturbance at the back of a shield tunnel, wherein: the apparatus is formed by a fitting I and a fitting II connected by means of three bolts that form equal angles; the fitting I is a short circular pipe; an end surface of a fitting end of the fitting I is provided with a water passage; a pipe wall of the pipe is provided with 2-8 water spouts; the fitting II is a long circular pipe whose inner and outer diameters are consistent with those of the fitting I; a fitting end of the fitting II is provided with two O-shaped water stop rings; a pipe wall of the fitting II is provided with three water inlets that form equal angles and are in communication with the water passage of the fitting I.
Bibliography:Application Number: US201615245143